“I really love my hometown,” singer-songwriter Joy Oladokun says. “My sisters make fun of me for how often I make excuses to go home.” Now in Nashville, Oladokun, who is releasing a new album on July 17, grew up in Casa Grande, a small desert city on the outskirts of Phoenix. Raised in a traditional Nigerian household, she describes her childhood as “being suspended between two worlds.” That duality, different perspectives and desert life all...